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    Monitoring road traffic congestion using a macroscopic traffic model and a statistical monitoring scheme

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    Type
    Article
    Authors
    Zeroual, Abdelhafid
    Harrou, Fouzi cc
    Sun, Ying cc
    Messai, Nadhir
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Statistics Program
    Date
    2017-08-19
    Online Publication Date
    2017-08-19
    Print Publication Date
    2017-11
    Permanent link to this record
    http://hdl.handle.net/10754/625367
    
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    Abstract
    Monitoring vehicle traffic flow plays a central role in enhancing traffic management, transportation safety and cost savings. In this paper, we propose an innovative approach for detection of traffic congestion. Specifically, we combine the flexibility and simplicity of a piecewise switched linear (PWSL) macroscopic traffic model and the greater capacity of the exponentially-weighted moving average (EWMA) monitoring chart. Macroscopic models, which have few, easily calibrated parameters, are employed to describe a free traffic flow at the macroscopic level. Then, we apply the EWMA monitoring chart to the uncorrelated residuals obtained from the constructed PWSL model to detect congested situations. In this strategy, wavelet-based multiscale filtering of data has been used before the application of the EWMA scheme to improve further the robustness of this method to measurement noise and reduce the false alarms due to modeling errors. The performance of the PWSL-EWMA approach is successfully tested on traffic data from the three lane highway portion of the Interstate 210 (I-210) highway of the west of California and the four lane highway portion of the State Route 60 (SR60) highway from the east of California, provided by the Caltrans Performance Measurement System (PeMS). Results show the ability of the PWSL-EWMA approach to monitor vehicle traffic, confirming the promising application of this statistical tool to the supervision of traffic flow congestion.
    Citation
    Zeroual A, Harrou F, Sun Y, Messai N (2017) Monitoring road traffic congestion using a macroscopic traffic model and a statistical monitoring scheme. Sustainable Cities and Society. Available: http://dx.doi.org/10.1016/j.scs.2017.08.018.
    Sponsors
    The research reported in this publication was supported by funding from King Abdullah University of Science and Technology (KAUST), Office of Sponsored Research (OSR) under Award No: OSR-2015-CRG4-2582. We would like to thank the reviewers of this article for their insightful comments, which helped us to greatly improve its quality.
    Publisher
    Elsevier BV
    Journal
    Sustainable Cities and Society
    DOI
    10.1016/j.scs.2017.08.018
    Additional Links
    http://www.sciencedirect.com/science/article/pii/S2210670717302810
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.scs.2017.08.018
    Scopus Count
    Collections
    Articles; Statistics Program; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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